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DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (n INT);
INSERT INTO t1 VALUES (1),(2),(3);
SELECT * FROM t1;
n
1
2
3
DROP TABLE t1;
SELECT GET_LOCK("dangling", 0);
GET_LOCK("dangling", 0)
1
SELECT GET_LOCK('dangling', 3600);;
SELECT GET_LOCK('dangling', 3600);;
SELECT RELEASE_LOCK('dangling');
RELEASE_LOCK('dangling')
1
GET_LOCK('dangling', 3600)
1